Bulding skill for the toefl ibt transcripts part 7
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Bulding skill for the toefl ibt transcripts part 7
Mô tả tài liệu

Antarctica's only human occupants are scientists. They go there to learn how Antarctica used to be millions of years ago, when it was located at the equator. Antarctica used to be connected to Australia, before all the continents on the planet shifted.
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